One of them is connected with the verb "upadahati" and with the term "upadhi". "Upadahati" means "causes, generates". For example, "Upaadaa ruupaa" means the qualities derived from "ruupa", i.e. colour, form, taste, eye, ear, nose, etc.

Monier-Williams dictionary gives the corresponding meaning of "upaadaana" as "cause, motive, material cause". In this sense this word is used in Kutuuhalasaalaa sutta. In the passage given below the fuel is "material cause" for burning of the fire, while the wind is "material cause" for blowing out the fire:

Hence the translations "clinging", "grasping" are quite acceptable, though they lose the implied meaning of identification with the five aggregates, conception of the self.Buddhist model of conditioned arising is intended for practical solutions. In this case the solution is the disidentification through seeing selflessness, impersonality (anatta).

If you have asked me of the origination of unease, then I shall explain it to you in accordance with my understanding: Whatever various forms of unease there are in the world, They originate founded in encumbering accumulation. (Pārāyanavagga)

Exalted in mind, just open and clearly aware, the recluse trained in the ways of the sages:One who is such, calmed and ever mindful, He has no sorrows! -- Udana IV, 7

Thanks Dmytro. I recognised a lot of the words but had no idea on the grammatical structure.

Metta,Retro.

If you have asked me of the origination of unease, then I shall explain it to you in accordance with my understanding: Whatever various forms of unease there are in the world, They originate founded in encumbering accumulation. (Pārāyanavagga)

Exalted in mind, just open and clearly aware, the recluse trained in the ways of the sages:One who is such, calmed and ever mindful, He has no sorrows! -- Udana IV, 7